MultiCapTM - Polypropylene & Aluminum Foil Multiple-Section Capacitor

The PPFX series of the MultiCapTM reduces typical capacitor loss factors with a patented design that winds capacitors coaxially one upon the other, into a single, self-bypassed unit. Since each section is parallel, the inductance of the overall capacitor is reduced by the number of sections used - typically 10. Inductance characteristics never exceed those of a piece of lead wire the same length as the capacitor's body. Measured ESR values are 5 to 10 times lower than conventional designs (see Figure 1). Dielectric absorption is very low, making the PPFX desirable in high-speed circuits. In its overall reduction of parasitics, this series resembles the PPFX-S in measured performance, tolerates higher temperatures (105 degrees C) than the RTX. It is ideal for use in all applications wherever low ESR, ESL, and low DF are important, and wherever the finest film and foil capacitors are required.

Capacitance Values:.01 to 16.0 uf. Special values on request.
Tolerances:+/- 10%. Special tolerances on request.
Working Voltages:100, 200, 400, 600; 800 on request (to 1 uf)
Test Volts:2.0 x rated voltage for one minute.
Dissipation Factor: < 0.05% 1.0 - 10.0 uf @ 1kHz @ 25 degress C
< 0.05% > 10.0 uf @ 120 Hz @ 25 degress C
< 0.03% .1 - 1.0 uf @ 1kHz @ 25 degress C
< 0.02% .001 - .1 uf @ 1kHz @ 25 degress C
Insulation Resistance:>300,000 megohm/ufd
Operating Temperature Range:- 55 to 105 degress C
Temperature Coefficient:-150 PPM/degree C
Life Tests:Rated voltage @ 85 degrees C for 1000 hrs
Vibration:Will meet Mil-C-19978B
Lead Material:Tin-plated copper. Others available on request.
A cross-sectional drawing (leads removed) showing the coaxial construction of a MultiCapTM. For simplicity's sake, only two of the 10 sections are included.
DIMENSIONS (INCHES) - MultiCapTM PPFX - AXIAL LEADS, OVAL CASE
Capacitance
in ufd
100 VDC
w x h x l
200 VDC
w x h x l
400 VDC
w x h x l
600 VDC
w x h x l
.10
--
--
.30 x .50 x 1.0
.40 x .60 x 1.1
.15
--
--
.40 x .60 x 1.1
.40 x .60 x 1.2
.22
--
--
.40 x .60 x 1.1
.50 x .70 x 1.2
.33
--
--
.50 x .70 x 1.3
.60 x .80 x 1.3
.47
--
--
.50 x .80 x 1.3
.70 x .90 x 1.3
.68
--
--
.60 x .90 x 1.4
.70 x .90 x 1.8
1.0
.50 x .70 x 1.3
.60 x .90 x 1.3
.70 x 1.0 x 1.3
.80 x 1.1 x 1.8
1.5
.60 x .70 x 1.3
.70 x 1.0 x 1.3
--
--
2.0
.70 x 1.0 x 1.3
.90 x 1.1 x 1.3
--
--
3.0
.90 x 1.1 x 1.3
.90 x 1.1 x 1.8
--
--
4.0
.90 x 1.2 x 1.3
1.0 x 1.3 x 1.8
--
--
5.0
.90 x 1.1 x 1.8
1.2 x 1.5 x 1.8
--
--
6.0
.90 x 1.2 x 1.8
1.2 x 1.5 x 1.8
--
--
7.0
1.1 x 1.2 x 1.8
1.1 x 1.4 x 2.3
--
--
8.0
1.1 x 1.4 x 1.8
1.2 x 1.5 x 2.3
--
--
9.0
1.2 x 1.4 x 1.8
1.2 x 1.7 x 2.3
--
--
10.0
1.4 x 1.7 x 1.8
1.4 x 1.7 x 2.3
--
--
12.0
1.4 x 1.7 x 2.0
1.5 x 1.7 x 2.3
--
--
PPFX
Polypropylene & Aluminum
VoltageMicrofaradsGauge Wire
100V1.0
2.0 - 10.0		20GA
18GA
200V.1 - .22
1.0 - 1.5
2.0
3.0 - 12.0		 22GA
20GA
18GA
16GA
400V.022 - .01
.10 - .68
1.0
2.0		 22GA
20GA
18GA
16GA
600V.01 - .33
.47
.68 - 1.0		 20GA
18GA
16GA
800V.01
.22
.47		 22GA
20GA
18GA
Lead Diameters: .025" for caps 1/4 - 1/2" long; .032" for caps 1/2 - 3/4" long; .04" for caps 3/4 - 1" long; .051" for caps over 1" long.


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